por Aguerrebere Salido, Roberto | Cepeda Narvaez, Fernando, coaut.
por National Research Council. Transportation Research Board (E-.U.A.).
por National Research Council. Highway Research Board (E.U.A.).
por E.U.A. National Research Council. Highway Research Board.
por Jacquemart, Georges | National Research Council. Transportation Research Board (E-.U.A.).
por Shaw, Terrel | National Research Council. Transportation Research Board (E-.U.A.).